WO2007067257A3 - Broad-emission nanocrystals and methods of making and using same - Google Patents

Broad-emission nanocrystals and methods of making and using same Download PDF

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Publication number
WO2007067257A3
WO2007067257A3 PCT/US2006/040592 US2006040592W WO2007067257A3 WO 2007067257 A3 WO2007067257 A3 WO 2007067257A3 US 2006040592 W US2006040592 W US 2006040592W WO 2007067257 A3 WO2007067257 A3 WO 2007067257A3
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WO
WIPO (PCT)
Prior art keywords
relates
methods
electromagnetic region
broad
making
Prior art date
Application number
PCT/US2006/040592
Other languages
French (fr)
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WO2007067257A8 (en
WO2007067257A2 (en
Inventor
Michael J. Ii Bowers
James R. Mcbride
Sandra J. Rosenthal
Original Assignee
Vanderbilt University
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Application filed by Vanderbilt University filed Critical Vanderbilt University
Publication of WO2007067257A2 publication Critical patent/WO2007067257A2/en
Publication of WO2007067257A8 publication Critical patent/WO2007067257A8/en
Publication of WO2007067257A3 publication Critical patent/WO2007067257A3/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y20/00Nanooptics, e.g. quantum optics or photonic crystals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00Nanotechnology for materials or surface science, e.g. nanocomposites
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B19/00Selenium; Tellurium; Compounds thereof
    • C01B19/04Binary compounds including binary selenium-tellurium compounds
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G11/00Compounds of cadmium
    • C01G11/02Sulfides
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G9/00Compounds of zinc
    • C01G9/08Sulfides
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/06Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/56Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing sulfur
    • C09K11/562Chalcogenides
    • C09K11/565Chalcogenides with zinc cadmium
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/88Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing selenium, tellurium or unspecified chalcogen elements
    • C09K11/881Chalcogenides
    • C09K11/883Chalcogenides with zinc or cadmium
    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B7/00Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions
    • C30B7/14Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions the crystallising materials being formed by chemical reactions in the solution
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00Electroluminescent light sources
    • H05B33/12Light sources with substantially two-dimensional radiating surfaces
    • H05B33/14Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00Organic light-emitting devices
    • H10K50/10OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/11OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
    • H10K50/125OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y40/00Manufacture or treatment of nanostructures
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/02Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
    • H01L33/16Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a particular crystal structure or orientation, e.g. polycrystalline, amorphous or porous
    • H01L33/18Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a particular crystal structure or orientation, e.g. polycrystalline, amorphous or porous within the light emitting region
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00Nanotechnology
    • Y10S977/70Nanostructure
    • Y10S977/773Nanoparticle, i.e. structure having three dimensions of 100 nm or less
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00Nanotechnology
    • Y10S977/84Manufacture, treatment, or detection of nanostructure
    • Y10S977/895Manufacture, treatment, or detection of nanostructure having step or means utilizing chemical property
    • Y10S977/896Chemical synthesis, e.g. chemical bonding or breaking

Abstract

In one aspect, the invention relates to an inorganic nanoparticle or nanocrystal, also referred to as a quantum dot, capable of emitting white light. In a further aspect, the invention relates to an inorganic nanoparticle capable of absorbing energy from a first electromagnetic region and capable of emitting light in a second electromagnetic region, wherein the second electromagnetic region comprises an at least about 50 nm wide band of wavelengths and to methods for the preparation thereof. Li further aspects, the invention relates to a frequency converter, a light emitting diode device, a modified fluorescent light source, an electroluminescent device, and an energy cascade system comprising the nanoparticle of the invention. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
PCT/US2006/040592 2005-12-02 2006-10-17 Broad-emission nanocrystals and methods of making and using same WO2007067257A2 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US74186205P 2005-12-02 2005-12-02
US60/741,862 2005-12-02
US80195206P 2006-05-19 2006-05-19
US60/801,952 2006-05-19
US81553406P 2006-06-20 2006-06-20
US60/815,534 2006-06-20

Publications (3)

Publication Number Publication Date
WO2007067257A2 WO2007067257A2 (en) 2007-06-14
WO2007067257A8 WO2007067257A8 (en) 2007-08-16
WO2007067257A3 true WO2007067257A3 (en) 2009-09-24

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WO (1) WO2007067257A2 (en)

Families Citing this family (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8718437B2 (en) 2006-03-07 2014-05-06 Qd Vision, Inc. Compositions, optical component, system including an optical component, devices, and other products
US9297092B2 (en) 2005-06-05 2016-03-29 Qd Vision, Inc. Compositions, optical component, system including an optical component, devices, and other products
US8337721B2 (en) * 2005-12-02 2012-12-25 Vanderbilt University Broad-emission nanocrystals and methods of making and using same
WO2008070028A2 (en) * 2006-12-01 2008-06-12 Qd Vision, Inc. Improved composites and devices including nanoparticles
US8849087B2 (en) 2006-03-07 2014-09-30 Qd Vision, Inc. Compositions, optical component, system including an optical component, devices, and other products
US9951438B2 (en) 2006-03-07 2018-04-24 Samsung Electronics Co., Ltd. Compositions, optical component, system including an optical component, devices, and other products
US9874674B2 (en) 2006-03-07 2018-01-23 Samsung Electronics Co., Ltd. Compositions, optical component, system including an optical component, devices, and other products
US20100110728A1 (en) 2007-03-19 2010-05-06 Nanosys, Inc. Light-emitting diode (led) devices comprising nanocrystals
JP5773646B2 (en) 2007-06-25 2015-09-02 キユーデイー・ビジヨン・インコーポレーテツド Compositions and methods comprising depositing nanomaterials
US8361823B2 (en) 2007-06-29 2013-01-29 Eastman Kodak Company Light-emitting nanocomposite particles
WO2009014707A2 (en) 2007-07-23 2009-01-29 Qd Vision, Inc. Quantum dot light enhancement substrate and lighting device including same
US8128249B2 (en) 2007-08-28 2012-03-06 Qd Vision, Inc. Apparatus for selectively backlighting a material
JP5176459B2 (en) * 2007-09-28 2013-04-03 大日本印刷株式会社 White light emitting device
US9207385B2 (en) 2008-05-06 2015-12-08 Qd Vision, Inc. Lighting systems and devices including same
WO2009137053A1 (en) * 2008-05-06 2009-11-12 Qd Vision, Inc. Optical components, systems including an optical component, and devices
JP2011524064A (en) 2008-05-06 2011-08-25 キユーデイー・ビジヨン・インコーポレーテツド Solid state lighting device containing quantum confined semiconductor nanoparticles
US8030843B2 (en) * 2008-07-14 2011-10-04 Wisys Technology Foundation Quantum dot phosphors for solid-state lighting devices
CA2733643C (en) * 2008-08-12 2018-04-17 National Research Council Of Canada Colloidal nanocrystal ensembles with narrow linewidth band gap photoluminescence and methods of synthesizing colloidal semiconductor nanocrystals
US8093488B2 (en) * 2008-08-28 2012-01-10 Seagate Technology Llc Hybrid photovoltaic cell using amorphous silicon germanium absorbers with wide bandgap dopant layers and an up-converter
US9000353B2 (en) 2010-06-22 2015-04-07 President And Fellows Of Harvard College Light absorption and filtering properties of vertically oriented semiconductor nano wires
US8835831B2 (en) 2010-06-22 2014-09-16 Zena Technologies, Inc. Polarized light detecting device and fabrication methods of the same
US9082673B2 (en) 2009-10-05 2015-07-14 Zena Technologies, Inc. Passivated upstanding nanostructures and methods of making the same
US8269985B2 (en) 2009-05-26 2012-09-18 Zena Technologies, Inc. Determination of optimal diameters for nanowires
US8791470B2 (en) * 2009-10-05 2014-07-29 Zena Technologies, Inc. Nano structured LEDs
US8546742B2 (en) 2009-06-04 2013-10-01 Zena Technologies, Inc. Array of nanowires in a single cavity with anti-reflective coating on substrate
US8507840B2 (en) 2010-12-21 2013-08-13 Zena Technologies, Inc. Vertically structured passive pixel arrays and methods for fabricating the same
US8748799B2 (en) 2010-12-14 2014-06-10 Zena Technologies, Inc. Full color single pixel including doublet or quadruplet si nanowires for image sensors
US8866065B2 (en) 2010-12-13 2014-10-21 Zena Technologies, Inc. Nanowire arrays comprising fluorescent nanowires
US9406709B2 (en) 2010-06-22 2016-08-02 President And Fellows Of Harvard College Methods for fabricating and using nanowires
US9343490B2 (en) 2013-08-09 2016-05-17 Zena Technologies, Inc. Nanowire structured color filter arrays and fabrication method of the same
US8299472B2 (en) 2009-12-08 2012-10-30 Young-June Yu Active pixel sensor with nanowire structured photodetectors
US8274039B2 (en) 2008-11-13 2012-09-25 Zena Technologies, Inc. Vertical waveguides with various functionality on integrated circuits
US8519379B2 (en) 2009-12-08 2013-08-27 Zena Technologies, Inc. Nanowire structured photodiode with a surrounding epitaxially grown P or N layer
US9515218B2 (en) 2008-09-04 2016-12-06 Zena Technologies, Inc. Vertical pillar structured photovoltaic devices with mirrors and optical claddings
US8889455B2 (en) 2009-12-08 2014-11-18 Zena Technologies, Inc. Manufacturing nanowire photo-detector grown on a back-side illuminated image sensor
US9478685B2 (en) 2014-06-23 2016-10-25 Zena Technologies, Inc. Vertical pillar structured infrared detector and fabrication method for the same
US9299866B2 (en) 2010-12-30 2016-03-29 Zena Technologies, Inc. Nanowire array based solar energy harvesting device
US8384007B2 (en) 2009-10-07 2013-02-26 Zena Technologies, Inc. Nano wire based passive pixel image sensor
US8229255B2 (en) 2008-09-04 2012-07-24 Zena Technologies, Inc. Optical waveguides in image sensors
US8735797B2 (en) 2009-12-08 2014-05-27 Zena Technologies, Inc. Nanowire photo-detector grown on a back-side illuminated image sensor
US20100304061A1 (en) * 2009-05-26 2010-12-02 Zena Technologies, Inc. Fabrication of high aspect ratio features in a glass layer by etching
US8890271B2 (en) 2010-06-30 2014-11-18 Zena Technologies, Inc. Silicon nitride light pipes for image sensors
US20110115041A1 (en) * 2009-11-19 2011-05-19 Zena Technologies, Inc. Nanowire core-shell light pipes
US20110049442A1 (en) * 2009-03-31 2011-03-03 Schreuder Michael A Surface structures for enhancement of quantum yield in broad spectrum emission nanocrystals
EP2424814A4 (en) 2009-04-28 2016-06-01 Qd Vision Inc Optical materials, optical components, and methods
WO2011020098A1 (en) 2009-08-14 2011-02-17 Qd Vision, Inc. Lighting devices, an optical component for a lighting device, and methods
JP5374286B2 (en) 2009-09-14 2013-12-25 富士フイルム株式会社 Protective film and solar cell front sheet
CN102597848B (en) 2009-10-17 2016-06-01 Qd视光有限公司 Optical element, include its product and the method for manufacturing it
EP2494603A4 (en) * 2009-10-30 2018-04-11 Nanosys, Inc. Light-emitting diode (led) devices comprising nanocrystals
CN102822314B (en) * 2010-03-29 2016-03-02 皇家飞利浦电子股份有限公司 Luminescence converter
CN101906249B (en) * 2010-07-23 2012-07-04 浙江大学 Method for preparing quantum dot/polyurethane nano crystal composite
IT1402397B1 (en) * 2010-10-21 2013-09-04 Eni Spa WAVE LENGTH CONVERTER.
EP2675618B1 (en) * 2011-02-17 2018-07-04 Vanderbilt University Enhancement of light emission quantum yield in treated broad spectrum nanocrystals
DE102011100710A1 (en) 2011-05-06 2012-11-08 Osram Opto Semiconductors Gmbh Conversion element for light-emitting diodes and manufacturing method
US9159872B2 (en) * 2011-11-09 2015-10-13 Pacific Light Technologies Corp. Semiconductor structure having nanocrystalline core and nanocrystalline shell
US20130112942A1 (en) 2011-11-09 2013-05-09 Juanita Kurtin Composite having semiconductor structures embedded in a matrix
WO2013115898A2 (en) 2012-02-05 2013-08-08 Qd Vision, Inc. Semiconductor nanocrystals, methods for making same, compositions, and products
WO2013078247A1 (en) 2011-11-22 2013-05-30 Qd Vision, Inc. Methods of coating semiconductor nanocrystals, semiconductor nanocrystals, and products including same
US10008631B2 (en) * 2011-11-22 2018-06-26 Samsung Electronics Co., Ltd. Coated semiconductor nanocrystals and products including same
WO2013123390A1 (en) 2012-02-16 2013-08-22 Qd Vision, Inc. Method for preparing semiconductor nanocrystals
US9929325B2 (en) 2012-06-05 2018-03-27 Samsung Electronics Co., Ltd. Lighting device including quantum dots
WO2014018090A1 (en) * 2012-07-25 2014-01-30 Qd Vision, Inc. Method of making components including quantum dots, methods, and products
US9617472B2 (en) 2013-03-15 2017-04-11 Samsung Electronics Co., Ltd. Semiconductor nanocrystals, a method for coating semiconductor nanocrystals, and products including same
JP6158248B2 (en) 2014-05-27 2017-07-05 ザ・ボード・オブ・トラスティーズ・オブ・ザ・ユニバーシティ・オブ・イリノイThe Board Of Trustees Of The University Of Illinois Nanostructured material methods and devices
US10330614B1 (en) * 2015-04-28 2019-06-25 Bowling Green State University Methods and systems for testing luminescent semiconductors
CN106098952B (en) * 2016-06-15 2017-10-10 中国科学院理化技术研究所 A kind of feux rouges carbon quantum dot of organosilicon functionalization and its preparation method and application
US10241111B2 (en) 2016-10-21 2019-03-26 AhuraTech LLC Electroluminescent binding assays
US10021761B2 (en) 2016-10-21 2018-07-10 AhuraTech LLC System and method for producing light in a liquid media
US9756701B1 (en) 2016-10-21 2017-09-05 AhuraTech LLC System and method for producing light in a liquid media
US10159136B2 (en) 2016-10-21 2018-12-18 AhuraTech LLC System and method for producing light in a liquid media
CN113120889B (en) * 2020-01-16 2022-03-25 北京大学 Method for improving third harmonic of graphene material

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6803719B1 (en) * 1998-04-01 2004-10-12 Massachusetts Institute Of Technology Quantum dot white and colored light-emitting devices

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2778662B1 (en) 1998-05-12 2000-06-16 Adir NOVEL SUBSTITUTED CYCLIC COMPOUNDS, PROCESS FOR THEIR PREPARATION AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM
US6552255B1 (en) 1998-09-03 2003-04-22 Clemson University Thermoelectric composition
US6761877B2 (en) 2000-02-18 2004-07-13 Biocrystal, Ltd. Functionalized encapsulated fluorescent nanocrystals
US6569249B1 (en) 2000-04-18 2003-05-27 Clemson University Process for forming layers on substrates
US20040038392A1 (en) 2000-06-08 2004-02-26 Tatsurou Shibui Expression vector enabling screening of cells with high expression of recombinant protein, transformant with high expression of recombinant protein and utilization thereof
US6649715B1 (en) 2000-06-27 2003-11-18 Clemson University Fluoropolymers and methods of applying fluoropolymers in molding processes
US6774560B1 (en) 2000-09-19 2004-08-10 The Regents Of The University Of California Material system for tailorable white light emission and method for making thereof
US7079826B2 (en) 2001-03-16 2006-07-18 Texas Instruments Incorporated Digitally controlled analog RF filtering in subsampling communication receiver architecture
US6674560B2 (en) 2001-08-03 2004-01-06 Umax Data Systems, Inc. Optical lens of optical scanner
US6953653B2 (en) 2001-08-30 2005-10-11 Clemson University Fluoropolymer compositions, optical devices, and methods for fabricating optical devices
US7570952B2 (en) 2001-09-10 2009-08-04 Telefonaktiebolaget Lm Ericsson (Publ) Advance resource allocations for association state transitions for wireless LAN system
TW200401638A (en) 2002-06-20 2004-02-01 Bristol Myers Squibb Co Heterocyclic inhibitors of kinases
US6770176B2 (en) 2002-08-02 2004-08-03 Itn Energy Systems. Inc. Apparatus and method for fracture absorption layer
CA2500095C (en) 2002-09-26 2011-10-18 Shell Internationale Research Maatschappij B.V. Process for the hydroformylation of an ethylenically unsaturated compound
TW581991B (en) * 2002-10-25 2004-04-01 Ritdisplay Corp OLED device and packaging method thereof
US7241479B2 (en) 2003-08-22 2007-07-10 Clemson University Thermal CVD synthesis of nanostructures
US7554109B2 (en) 2003-09-05 2009-06-30 Dot Metrics Technology, Inc. Quantum dot optoelectronic devices with nanoscale epitaxial lateral overgrowth and methods of manufacture
KR20070030723A (en) 2003-09-05 2007-03-16 도트 메트릭스 테크놀로지, 인코포레이티드 Quantum dot optoelectronic devices with nanoscale epitaxial overgrowth and methods of manufacture
CN1849713A (en) 2003-09-08 2006-10-18 第四族半导体有限公司 Solid state white light emitter and display using same
TWI236162B (en) 2003-12-26 2005-07-11 Ind Tech Res Inst Light emitting diode
CN100446279C (en) 2004-02-18 2008-12-24 财团法人工业技术研究院 Light-emitting diode
US7850943B2 (en) 2004-05-28 2010-12-14 Samsung Electronics Co., Ltd. Method of preparing cadmium sulfide nanocrystals emitting light at multiple wavelengths, and cadmium sulfide nanocrystals prepared by the method
KR100621308B1 (en) 2004-05-28 2006-09-14 삼성전자주식회사 Method of preparing cadmium sulfide nano crystal emitting light at multiple wavelengths and the cadmium sulfide nano crystal prepared by the method
CN1595670B (en) 2004-06-25 2011-12-28 清华大学 Quanta dot active region structure of broad spectrum white light LED and epitaxial growth method thereof
US8337721B2 (en) 2005-12-02 2012-12-25 Vanderbilt University Broad-emission nanocrystals and methods of making and using same
WO2008112539A1 (en) 2007-03-09 2008-09-18 Fortemedia, Inc. Method and apparatus for voice communication
TWI353376B (en) * 2007-10-05 2011-12-01 Ind Tech Res Inst Preparation method of quantum dot for emitting whi
US20110049442A1 (en) * 2009-03-31 2011-03-03 Schreuder Michael A Surface structures for enhancement of quantum yield in broad spectrum emission nanocrystals

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6803719B1 (en) * 1998-04-01 2004-10-12 Massachusetts Institute Of Technology Quantum dot white and colored light-emitting devices
US20040259363A1 (en) * 1998-04-01 2004-12-23 Bawendi Moungi G. Quantum dot white and colored light-emitting devices

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
(SALISBURY). Quantum dots that produce white light could be the light bulb's successor. Physorg.com (pub'd online) (20.10.2005). http://www.physorg.com/news7421.html, Accessed 21 November 2007 (21.11.2007). *
BOWERS ET AL: "White-Light Emission from Magic-Sized Cadmium Selenide Nanocrystals.", JOURNAL OF AMERICAN CHEMICAL SOCIETY COMMUNICATIONS, vol. 127, no. 44, 17 October 2005 (2005-10-17), pages 15378 - 15379 *

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